{"product_id":"antlia-8-el-uhc-pro-visual-enhancer-filter-2-mounted","title":"Antlia 8-EL UHC Pro Visual Enhancer Filter - 2'' Mounted","description":"\u003ch1\u003eAntlia 8-EL UHC Pro Visual Enhancer Filter - 2'' Mounted\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe Antlia 8-EL UHC Pro Visual Enhancer filter is a high-\u003c\/span\u003e\u003cspan\u003e-\u003c\/span\u003e\u003cspan\u003eperformance optical filter designed for visual observation of celestial objects.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis filter is designed to combat moderate light pollution while maintaining excellent color balance, making it ideal for visual observation\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eof\u003c\/span\u003e\u003cspan\u003e emission nebulae, planetary nebulae, and other objects. It selectively enhances key emission lines through its high-transmission design, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 671.6nm (SII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 673.1nm (SII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 486.1nm (H-beta)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 495.9nm (OIII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 500.7nm (OIII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 654.8nm (NII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 658.3nm (NII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 656.3nm (H-alpha)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 671.6nm (SII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e95% Peak transmission at 673.1nm (SII)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of high transmission (\u0026gt;95%) and sodium-light suppression allows observers to perceive fine structural details in Planetary nebula, emission nebula targets, even under moderate light pollution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"http:\/\/20564242.s21i.faiusr.com\/4\/2\/ABUIABAEGAAgv-GkvgYooeKorQUwvgo4gQY.png\" alt=\"Spectrum Curve Antlia 8-EL UHC Pro Visual Enhancer Filter.png\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1. \u003c\/span\u003e\u003cspan\u003eVisual Recommendations\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1) \u003c\/span\u003e\u003cspan\u003eLarge-Aperture Telescopes: Due to reduced photon capture by the human eye at night\u003c\/span\u003e\u003cspan\u003e，\u003c\/span\u003e\u003cspan\u003ewe recommend using large-aperture telescopes (e.g., 8-inch or larger) to ensure sufficient light throughput. This compensates for the inherent sensitivity drop in low-light conditions while maintaining the filter’s balance between light pollution suppression and target brightness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2) \u003c\/span\u003e\u003cspan\u003eVisual Enhanced Contrast in Nebulae:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e8-EL\u003c\/span\u003e\u003cspan\u003e（\u003c\/span\u003e\u003cspan\u003e8 emission lines) and target recommendations\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEmission lines\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuggested observation targets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e486.1nm (H-beta)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eM42 Orion Nebula,NGC 7000 North America Nebula,M16 Eagle Nebula, M8 Lagoon Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e495.9nm (OIII)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003e-Recommended Nebulae: M57 Ring Nebula,NGC6960 Veil Nebula,NGC6543 Cat's Eye Nebula,NGC6302 Butterfly Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e500.7nm (OIII)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eM42 Orion Nebula, M57 Ring Nebula, NGC 6992 Veil Nebula on the east side, IC 2177 Seagull Nebula, M104 Broad-shouldered Cap Galaxy\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e654.8nm (NII)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eNGC 6960 Veil Nebula, M1 Crab Nebula, M57 Ring Nebula, NGC 6543 Cat's Eye Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e658.3nm (NII)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eM42 Orion Nebula, NGC 6960 Veil Nebula, M57 Ring Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e656.3nm (H-alpha)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eM42 Orion Nebula, IC434 Horsehead Nebula, NGC7000 North America Nebula, M16 Eagle Nebula, M8 Lagoon Nebula, NGC6960 Veil Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e671.6nm (SII)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eM42 Orion Nebula, IC434 Horsehead Nebula, M1 Crab Nebula, M16 Eagle Nebula, M57 Ring Nebula, NGC6543 Cat's Eye Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"192\" valign=\"top\" style=\"width: 34.2294%;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e673.1nm (SII)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"404\" valign=\"top\" style=\"width: 65.7706%;\"\u003e\n\u003cp\u003e\u003cspan\u003eM42 Orion Nebula, M1 Cassiopeia Nebula, NGC 6960 Veil Nebula, IC 443 Jellyfish Nebula, M27 Sundial Nebula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 176.344px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 64.8014%; height: 19.5938px;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003eAntlia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003eMulti-band (8 emission lines)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003e2″ Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eThread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003eM48 × 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003ePeak Transmission\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003e≥95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eFilter Cell\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003eUltra-thin, black anodized aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003cstrong\u003eMarkings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003eLaser engraved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.8375%; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.8014%; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/20564242.s21i.faiusr.com\/4\/2\/ABUIABAEGAAgv-GkvgYooeKorQUwvgo4gQY.png\" alt=\"Spectrum Curve Antlia 8-EL UHC Pro Visual Enhancer Filter.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/istronomyplus.com\/pages\/antlia-filters-warranty\" rel=\"noopener\" target=\"_blank\"\u003eAntlia 3-Year Warranty\u003c\/a\u003e\u003c\/p\u003e","brand":"Antlia","offers":[{"title":"Default Title","offer_id":48246449209573,"sku":"AF-8-EL-UHC-Pro-2","price":169.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/ABUIABACGAAg-5mlvgYogOHu7QQw6Ac46Ac.jpg?v=1777043842","url":"https:\/\/istronomyplus.com\/products\/antlia-8-el-uhc-pro-visual-enhancer-filter-2-mounted","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}